Quiz - Chapter 4 -KEY
Chem 1411
March 4, 2014
1. Which of the following is a nonelectrolyte in water? A
I) HF
II) ethanol, C2H5OH
A. II and III
B. I, II, and III
III) CH3 OCH3
IV) KClO3
C. III only
D. IV only
__2. How many milliliters of 1.50 M KOH solution are needed to supply 0.125 mole of
KOH? D
A. 0.0833 mL
B. 0.188 mL
C. 12.0 mL
D. 83.3 mL
_3. Which of the following compounds is water soluble? D
I) NiCl2
A. IV only
4.
II) Ag2S
III) Cs3PO4
IV) (NH4)2SO4
B. I, II, and III
C. I, II, and IV
D. I, III, and IV
Which of the following reactions will occur? C
(I) Ni (s) + ZnSO4 (aq)

(II) Pb (s) + 2 Ag(NO3)2 (aq)
(III) Zn (s) + Ca2+ (aq)
5

Zn (s) + NiSO4 (aq)
2 Ag (s) + Pb(NO3)2 (aq)

Ca (s) + Zn2+ (aq)
(IV) 2 Al (s) + 3 FeCl 3 (aq)

A. I only
C. II and IV only
B. II only
3 Fe (s) + 2 AlCl3 (aq)
D. I and III only
Which of the following is a weak base? C
A. NaOH
B. Ca(OH)2
C. NH3
D. RbOH
6. What are the major species in solution when solid ammonium nitrate is dissolved
in water? E
A. NH3, NO3−
D. NH4+, NO2−
B. NH4+, HNO3−
E. NH4+, NO3−
C. NH3, NO2−
7. What is the oxidation number of chlorine in ClO4- ? C
A. +8
B. -8
C. +7
D. -7
E. -1
8. If 25 ml of 0.75 M NaOH(aq) is required to completely neutralize 150 ml of
HCl(aq), what is the molarity of the acidic solution? B
A. 0.15 M
B. 0.125 M
C. 0.25 M
D. 0.75 M
E. 1.25 M
9. Consider the reaction , Fe(s) + Cu2+(aq)  Cu(s) + Fe2+(aq), Which statement
is true for the reaction? E
A. Cu2+ is oxidized.
B. Fe(s) gains in oxidation state (oxidized).
2+
C. Cu
is reduced. D. Fe(s) is reduced.
E. Cu2+ is reduced and Fe(s) is
oxidized.
10. What is the resulting molarity of solution when 2g of NaOH is dissolved in 500
mL of water? C
(formula weight of NaOH = 40.)
A. 0.01 M
B.0.05 M
C. 0.1 M
D. 0.5 M
E. 5.0 M
11. 10.0 ml 0f 0.20 M sulfuric acid solution to required to neutralize 30.0 mL of
potassium hydroxide solution. calculate the molarity of the base (Need to
write a complete balance equation to calculate this) A
A. 0.133 M
B. 0.0667
C. 1.33 M
D. 0.8 M